Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://xezojetit.ru/strik?utm_term=how+to+use+zoom+h4 PDF link annotation

  • https://nesibebinirudeb.weebly.com/uploads/1/3/5/3/135311353/7922554.pdfIn PDF document text
  • https://panesiwosejel.weebly.com/uploads/1/3/0/7/130739396/6ddb01b7fde31.pdfIn PDF document text
  • https://limorevoxa.weebly.com/uploads/1/3/4/6/134611026/8724889.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4376086/normal_5ff54357a2ff5.pdfIn PDF document text
  • https://texejuzaw.weebly.com/uploads/1/3/0/7/130775796/lanikepisejoro.pdfIn PDF document text
  • https://xobojurum.weebly.com/uploads/1/3/4/5/134599739/zedub.pdfIn PDF document text
  • https://nipixajivoru.weebly.com/uploads/1/3/1/4/131436983/6158158.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4374983/normal_5fec169ae485b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4474759/normal_5fca850a8e415.pdfIn PDF document text
  • https://pebufaso.weebly.com/uploads/1/3/5/4/135400671/joduzuro.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4461204/normal_60184c2aac89d.pdfIn PDF document text
  • https://guzovadolo.weebly.com/uploads/1/3/1/6/131606502/2322a47aa8a09.pdfIn PDF document text
  • http://gilelugojes.iblogger.org/75763085757.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409258/normal_604cfa52d608b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417213/normal_5fcae6789b316.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4458421/normal_602c265996ab2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4471238/normal_605649ad418d6.pdfIn PDF document text
  • https://mibuvenatevuwo.weebly.com/uploads/1/3/4/6/134607329/3207841.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://992bddda-184d-467f-a815-0165b41a2208.filesusr.com/ugd/69695d_52d55777f669495288a58cc0b2fc49dc.pdf?index=trueIn PDF document text
  • https://2ed9768e-82a7-41f7-bc91-4b86d8d7aa0f.filesusr.com/ugd/bdbd91_ee6360648d864319afc87da223cbcdf5.pdf?index=trueIn PDF document text
  • https://a19d597f-2220-41b3-9459-688249e8a20b.filesusr.com/ugd/f19f53_757721d3847c47768249d0c70ee27dac.pdf?index=trueIn PDF document text
  • http://pejenusiloxo.rf.gd/vuwesoke.pdfIn PDF document text
  • http://lujolugajejizog.epizy.com/aleko_gate_opener_installation_video.pdfIn PDF document text
  • http://zazuxidavo.rf.gd/urolithiasis_treatment.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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